Honestly, I'm not sure which species are known for specific habits. As we'll see even having an eversible pharynx does not seem to be immediately associated with predation. Although the "fast strike"/raptorial approach seems likely..

So, here: let's look at some other polychaete worms that seem to have the apparatus for predation!The eversible pharynx for example, seems to be used for grabbing hapless worm food! Lets take a look at a nice video of one in this green paddleworm, Phyllodoce lamelligera

Here's a pretty incredible video showing the green worm with an INCREDIBLY extended proboscis trying to devour the red polychaete next to it.. Yow.

These two both identify the subjects as Glycera, which I'm not 100% sure of, but it does look like they both show off that impressive polychaete proboscis!

Here is the extended proboscis of a swimming (pelagic) alciopid worm, which uses its proboscis in the same fashion, to catch itself some dinner...

Here is a nice phyllodocid worm with its proboscis extended..

And here's a very formidible looking one from Nephtys sp.

Another extended proboscis in a nereid worm from French Polynesia..

and of course.. the Bobbit worm, Eunice sp. with its big spring loaded jaws!! Some of these Bobbit Worm macro shots are so tight, its practically like one staring you in the face!

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I pursue starfish related adventure around the world with a critical eye and an appreciation for weirdness.
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